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Three factors in midlife can delay the onset of dementia by 13 years

A study involving 12,000 adults in the US suggests that taking action to prevent dementia during your 50s can make a big difference later in life

2026-08-05 · 20:00 UTC
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This Atlantic hurricane season is looking like a dud, but there will be a price to pay

2026-08-05 · 19:19

"The models are forecasting something outside the envelope of anything we have ever observed."

Sycophantic AI Decreases Prosocial Intentions and Promotes Dependence (2025)

2026-08-05 · 18:17

Research shows that AI models are highly sycophantic, affirming user actions 50% more often than humans do, even when…

Weeks into explosive diarrhea outbreak, sluggish CDC plans response team

2026-08-05 · 18:11

Reports of cases began in June, and the national tally is now nearing 23,000.

Swallowing faecal capsules reduces peanut allergy in six adults

2026-08-05 · 18:00

Altering the gut microbiomes of people with peanut allergy using faeces donated from an allergy-free individual improved…

What is life? A provocative new book sets out to redefine it

2026-08-05 · 17:00

Melanie Challenger's Alive aims to describe the living world very differently – by insisting on agency and purpose…

Dive into an in-depth history of the realities of space exploration

2026-08-05 · 17:00

Out of This World by Peter Bond lays out the successes and failures of space exploration.

At what point does my family tree stop doubling and start decreasing?

2026-08-05 · 17:00

Readers debate how the introduction of bicycles and trains will have led to less closely related prospective partners…

How does my energy use differ if I walk, jog or run for 1 kilometre?

2026-08-05 · 17:00

A reader weighs in on this one – and finds it will depend on how far you’re travelling

This week’s new questions

2026-08-05 · 17:00

Humans can see water but not air. So can fish see air?

We must adapt to climate change while also tackling the root cause

2026-08-05 · 17:00

The devastating wildfires in Europe demand urgent measures to make landscapes more resilient, but without action to…

The mathematics of balloon animals

2026-08-05 · 17:00

Feedback is delighted to be pointed towards an old but still vital piece of research that presents “a general…

Why don’t dogs look up when a low-flying plane passes overhead? part 2

2026-08-05 · 17:00

Readers continue to give their examples of dogs who do notice passing aircraft – but also put forward some ideas as to…

Two dogs lack the protein that causes allergies thanks to gene editing

2026-08-05 · 16:39

A company has created dogs that do not have the main protein that provokes allergies, and hopes to get approval to start…

Tiny Black Holes May Be Exploding Stars Across the Milky Way

2026-08-05 · 15:57

Researchers have discovered that primordial black holes passing through white dwarf stars could trigger Type Ia…

Scientists discover Kelvin-Helmholtz Instability on the surface of the Sun

2026-08-05 · 15:33

Scientists using the NSF Daniel K.

Can we finally use bacteria from crime scenes to solve cases?

2026-08-05 · 15:00

Every crime scene contains hidden microbial clues.

Most-detailed-ever image of sun reveals roiling waves for first time

2026-08-05 · 15:00

Remarkable images of the sun show vortices on its surface that have never been seen before because they are so small

Large predators reduce car accidents by keeping deer off roads

2026-08-05 · 15:00

We already know wolves can make roads safer, and now it's been shown that the presence of cougars reduces deer…

Rubin Observatory's first LSST Camera release: 500k galaxies in the COSMOS field

2026-08-05 · 14:04

The NSF–DOE Vera C.

Intelligence Is Not the Main Bottleneck

2026-08-05 · 14:04

The author argues that intelligence is not the primary bottleneck preventing progress in fields like medicine, despite…

The Entropy of a Markov Chain

2026-08-05 · 14:00

The article explores how to define entropy in the context of Markov chains, drawing connections between classical…

The Fish Who Could Not Imagine Air

2026-08-05 · 12:00

A fish physicist with a complete understanding of her underwater world cannot conceive of air because her blindness…

Why the Legendary Erdős Problems Are Falling to AI

2026-08-05 · 11:49

AI models have recently achieved major breakthroughs in solving long-standing mathematical problems posed by…

Could psilocybin be the key to treating anorexia?

2026-08-05 · 11:39

Psilocybin, an active ingredient in magic mushrooms, is showing early promise as a treatment for anorexia nervosa, a…

Record heatwave in South Korea as temperatures soar to 42.5C

2026-08-05 · 11:30

There have been at least 19 deaths related to the heatwave which has brought the country's hottest day since records…

What can scientists learn from a stray SpaceX rocket hitting the Moon?

2026-08-05 · 11:19

While the collision was an accident, it is a unique scientific gift for planetary geologists that could provide…

Ancient Egyptians may have built a massive dam near the Red Pyramid

2026-08-05 · 11:04

Large structures near the Red Pyramid may be the remnants of a major dam, suggesting that the Egyptians used water to…

SpaceX rocket crashes into moon at 8700 kilometres per hour

2026-08-05 · 10:32

A rocket launched last year is thought to have smashed into the lunar surface this morning, creating the moon's newest…

Mysterious elephant deaths in Kenya raise questions around pesticides

2026-08-04 · 23:13

A wave of Kenyan elephant deaths has been blamed on pesticides, but experts tell the BBC they are doubtful.